8061820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 18472608

約数和(自身を除く): 10410788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 307, 404, 505, 614, 1010, 1228, 1313, 1535, 2020, 2626, 3070, 3991, 5252, 6140, 6565, 7982, 13130, 15964, 19955, 26260, 31007, 39910, 62014, 79820, 124028, 155035, 310070, 403091, 620140, 806182, 1612364, 2015455, 4030910, 8061820]

約数ペア:

[(1, 8061820), (2, 4030910), (4, 2015455), (5, 1612364), (10, 806182), (13, 620140), (20, 403091), (26, 310070), (52, 155035), (65, 124028), (101, 79820), (130, 62014), (202, 39910), (260, 31007), (307, 26260), (404, 19955), (505, 15964), (614, 13130), (1010, 7982), (1228, 6565), (1313, 6140), (1535, 5252), (2020, 3991), (2626, 3070)]